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Home » Archived » Hudson » Hudson 2.2.1 failed to launch the slave agent(Errors after upgrading to 2.2.1 from 2.2.0)
Hudson 2.2.1 failed to launch the slave agent [message #893870] Thu, 05 July 2012 18:31 Go to next message
Serge Burlyga is currently offline Serge BurlygaFriend
Messages: 10
Registered: January 2012
Junior Member
After upgrading from Hudson 2.2.0 to Hudson 2.2.1 the slave agent stop working on Solaris 10 sparc and x86. However, the slave agent on Oracle Linux 5.4 working just fine...

Here is the slave agent failure on Solaris 10 sparc:

[07/05/12 11:27:07] [SSH] Opening SSH connection to buba:22.
[07/05/12 11:27:07] [SSH] Authenticating as bldmstr with /ws/studio-bldmstr/.ssh/id_rsa.
[07/05/12 11:27:08] [SSH] Authentication successful.
[07/05/12 11:27:08] [SSH] The remote users environment is:
CPU sparc-S2
MERCURIAL_BIN /shared/dp/sstrunk/tools/mercurial
TEAMWARE_BIN
VSPMSHOME /ws/studio-bldmstr/vspms
VSPMSLIB /ws/studio-bldmstr/vspms/lib
argv ()
cdpath (.. /shared/dp/sstrunk/tools/mercurial /usr/ccs/bin /bin /usr/bin /usr/sbin /usr/openwin/bin /usr/local/bin /usr/dist/local/exe /usr/dist/exe /set/misc/local/bin /opt/SUNWspro/bin /etc /usr/ucb /ws/studio-bldmstr/bin /ws/studio-bldmstr/tools /set/sstrunk/tools/JDK/sparc-S2/jdk1.6.0_10/bin . /ws/studio-bldmstr/.)
cwd /ws/studio-bldmstr
filec
history 100
home /ws/studio-bldmstr
path (/shared/dp/sstrunk/tools/mercurial /usr/ccs/bin /bin /usr/bin /usr/sbin /usr/openwin/bin /usr/local/bin /usr/dist/local/exe /usr/dist/exe /set/misc/local/bin /opt/SUNWspro/bin /etc /usr/ucb /ws/studio-bldmstr/bin /ws/studio-bldmstr/tools /set/sstrunk/tools/JDK/sparc-S2/jdk1.6.0_10/bin . /ws/studio-bldmstr/. /shared/dp/sstrunk/tools/gktool /shared/dp/sstrunk/tools/tw/sparc-S2/bin /shared/dp/sstrunk/cbe/inst/sparc-S2/bin)
savehist 50
shell /bin/csh
status 0
user bldmstr
[07/05/12 11:27:08] [SSH] Checking java version of java
[07/05/12 11:27:09] [SSH] java -version returned 1.5.0_16.
[07/05/12 11:27:09] [SSH] Starting sftp client.
[07/05/12 11:27:09] [SSH] Copying latest slave.jar...
[07/05/12 11:27:09] [SSH] Copied 236,339 bytes.
[07/05/12 11:27:09] [SSH] Starting slave process: cd '/export/home1/hudson_sandbox' && java -jar slave.jar
<===[HUDSON REMOTING CAPACITY]===>channel started
Slave.jar version: 2.2.1
This is a Unix slave
hudson.util.IOException2: remote file operation failed: /export/home1/hudson_sandbox/maven/slavebundle at hudson.remoting.Channel@1aacdc9:sparc-S2-10-buba
at hudson.FilePath.act(FilePath.java:754)
at hudson.FilePath.act(FilePath.java:740)
at hudson.FilePath.mkdirs(FilePath.java:806)
at org.hudsonci.maven.plugin.install.SlaveBundleInstaller.install(SlaveBundleInstaller.java:78)
at org.hudsonci.maven.plugin.install.SlaveBundleInstaller.preOnline(SlaveBundleInstaller.java:105)
at hudson.slaves.SlaveComputer.setChannel(SlaveComputer.java:342)
at hudson.plugins.sshslaves.SSHLauncher.startSlave(SSHLauncher.java:383)
at hudson.plugins.sshslaves.SSHLauncher.launch(SSHLauncher.java:203)
at hudson.slaves.SlaveComputer$1.call(SlaveComputer.java:194)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:662)
Caused by: java.io.IOException: Remote call on sparc-S2-10-buba failed
at hudson.remoting.Channel.call(Channel.java:659)
at hudson.FilePath.act(FilePath.java:747)
... 13 more
Caused by: java.lang.UnsupportedClassVersionError: Bad version number in .class file
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:620)
at java.lang.ClassLoader.defineClass(ClassLoader.java:465)
at hudson.remoting.RemoteClassLoader.loadClassFile(RemoteClassLoader.java:151)
at hudson.remoting.RemoteClassLoader.findClass(RemoteClassLoader.java:131)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:620)
at java.lang.ClassLoader.defineClass(ClassLoader.java:465)
at hudson.remoting.RemoteClassLoader.loadClassFile(RemoteClassLoader.java:151)
at hudson.remoting.RemoteClassLoader.findClass(RemoteClassLoader.java:131)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
at java.lang.Class.getDeclaredMethods0(Native Method)
at java.lang.Class.privateGetDeclaredMethods(Class.java:2395)
at java.lang.Class.getDeclaredMethod(Class.java:1907)
at java.io.ObjectStreamClass.getPrivateMethod(ObjectStreamClass.java:1354)
at java.io.ObjectStreamClass.access$1700(ObjectStreamClass.java:52)
at java.io.ObjectStreamClass$2.run(ObjectStreamClass.java:421)
at java.security.AccessController.doPrivileged(Native Method)
at java.io.ObjectStreamClass.<init>(ObjectStreamClass.java:400)
at java.io.ObjectStreamClass.lookup(ObjectStreamClass.java:297)
at java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:531)
at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1552)
at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1466)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1699)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1305)
at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1908)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1832)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1719)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1305)
at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1908)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1832)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1719)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1305)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:348)
at hudson.remoting.UserRequest.deserialize(UserRequest.java:178)
at hudson.remoting.UserRequest.perform(UserRequest.java:98)
at hudson.remoting.UserRequest.perform(UserRequest.java:48)
at hudson.remoting.Request$2.run(Request.java:283)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:417)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:269)
at java.util.concurrent.FutureTask.run(FutureTask.java:123)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:650)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:675)
at java.lang.Thread.run(Thread.java:595)
[07/05/12 11:27:14] [SSH] Connection closed.
ERROR: Connection terminated
java.io.IOException: Unexpected termination of the channel
at hudson.remoting.Channel$ReaderThread.run(Channel.java:1030)
Caused by: java.io.EOFException
at java.io.ObjectInputStream$BlockDataInputStream.peekByte(ObjectInputStream.java:2553)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1296)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:350)
at hudson.remoting.Channel$ReaderThread.run(Channel.java:1024)
ERROR: [07/05/12 11:27:14] slave agent was terminated
java.io.IOException: Unexpected termination of the channel
at hudson.remoting.Channel$ReaderThread.run(Channel.java:1030)
Caused by: java.io.EOFException
at java.io.ObjectInputStream$BlockDataInputStream.peekByte(ObjectInputStream.java:2553)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1296)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:350)
at hudson.remoting.Channel$ReaderThread.run(Channel.java:1024)

The same kind of failure I experienced on Solaris 10 x86. So, I just need go back to Hudson 2.2.0, because Hudson 2.2.1 is broken?

[Updated on: Thu, 05 July 2012 18:34]

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Re: Hudson 2.2.1 failed to launch the slave agent [message #893901 is a reply to message #893870] Thu, 05 July 2012 21:53 Go to previous messageGo to next message
Serge Burlyga is currently offline Serge BurlygaFriend
Messages: 10
Registered: January 2012
Junior Member
I just found this failure doesn't related to upgrade from 2.2.0 to 2.2.1. Looks like the slave agent failed only because another slave agent is ran in parallel. When I added a new Solaris 10 node(without any other Hudson slave execution) then the slave agent started without any trouble. So, workaround is just execute one slave agent for Solaris, because as I mentioned it before, Oracle Linux 5.4 execution for two slave agents are just fine.

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Re: Hudson 2.2.1 failed to launch the slave agent [message #893902 is a reply to message #893901] Thu, 05 July 2012 21:57 Go to previous messageGo to next message
Chris Quenelle is currently offline Chris QuenelleFriend
Messages: 1
Registered: July 2012
Junior Member
It seems like you should be able to run two slaves on the same machine, as long as they use different hudson directories. Does anyone know why you would see a strange failure like this when two slave processes are running at the same time?

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Re: Hudson 2.2.1 failed to launch the slave agent [message #893903 is a reply to message #893902] Thu, 05 July 2012 22:02 Go to previous messageGo to next message
Serge Burlyga is currently offline Serge BurlygaFriend
Messages: 10
Registered: January 2012
Junior Member
Indeed, I ran it on the same machine using different Hudson home directories. For Oracle Linux 5.4 it's just fine and for Solaris 10 not at all...

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Re: Hudson 2.2.1 failed to launch the slave agent [message #893914 is a reply to message #893903] Fri, 06 July 2012 03:00 Go to previous messageGo to next message
Steve Christou is currently offline Steve ChristouFriend
Messages: 125
Registered: June 2012
Location: Milwaukee, Wisconsin
Senior Member
I believe your problem lies in here: Caused by: java.lang.UnsupportedClassVersionError: Bad version number in .class file, It might have to do with the version of the jdk that you are using. You are on a very outdated version of the jdk 1.6.0_10. Their current version is 33. What version of java are you using on the slave machines? 

/**
 * @author Steven Christou
 * @dev    Hudson-ci
 */

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Re: Hudson 2.2.1 failed to launch the slave agent [message #894101 is a reply to message #893914] Fri, 06 July 2012 16:12 Go to previous messageGo to next message
Serge Burlyga is currently offline Serge BurlygaFriend
Messages: 10
Registered: January 2012
Junior Member
Yeah... I see you point Steve. On the slave machines we're using 1.5.0_16. I'll upgrade java and let you know if it will helps. Thank you for you suggestion Steve!

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Re: Hudson 2.2.1 failed to launch the slave agent [message #895635 is a reply to message #893914] Fri, 13 July 2012 22:04 Go to previous message
Serge Burlyga is currently offline Serge BurlygaFriend
Messages: 10
Registered: January 2012
Junior Member
After I upgraded all slave machines to Java 6 then it helps to resolve this issue. Thank you Steve again!

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